Double-talk detection method with detecting echo path fluctuation

Electronics and Communications in Japan, Part III: Fundamental Electronic Science (English translation of Denshi Tsushin Gakkai Ronbunshi)

Volumn 79, Issue 4, 1996, Pages 82-93

  Fujii, Kensaku ^a   Ohga, Juro ^a  

^a FUJITSU LABORATORIES LTD   (Japan)

Author keywords

Double talk; Echo canceller; Echo path fluctuation; NLMS algorithm

Indexed keywords

ADAPTIVE FILTERING; ALGORITHMS; CORRELATION THEORY; ECHO SUPPRESSION; LEAST SQUARES APPROXIMATIONS; PROBABILITY;

DOUBLE TALK DETECTION; ECHO CANCELLER; ECHO PATH FLUCTUATION; NORMALIZED LEAST MEAN SQUARE ALGORITHM;

SIGNAL DETECTION;

EID: 0030125269     PISSN: 10420967     EISSN: None     Source Type: Journal    
DOI: 10.1002/ecjc.4430790409     Document Type: Article

References (16)

1. A. Noda and J. Nagumo. Learning identification of system. Meas. Contr., 7, 9, pp. 597-605 (Sept. 1968).
2. M. Kiyama, J. Tamura, S. Yamamoto, and H. Ishigami. Multiple echo canceller with a common adaptive controller. Tech. Rep. I.E.I.C.E., Japan, CS78-23 (May 1978).
3. N. Furuya, Y. Fukushi, E. Ito, J. Tanabe, and Y. Hagiwara. A method of multiple speech detection in adaptive echo canceller and result of experiment. Nat'l Conv. Gen. I.E.I.C.E., Japan, 2343 (March 1984).
4. S. Minami and T. Kawasaki. A double-talk detection system based on statistical properties of duration. Nat'l Conv. Comm. I.E.I.C.E., Japan, 589 (Oct. 1984).
5. K. Fujii and J. Ohga. A study on detection of double-talk and echo path fluctuation for acoustic echo canceller. Tech. Rep. I.E.I.C.E., Japan, EA91-82 (Jan. 1991).
6. S. Makino and N. Koizumi. An improvement of adaptive performance of echo canceller in indoor acoustic field. Trans. (A) I.E.I.C.E., Japan, J71-A, 12, pp. 2212-2214 (Dec. 1988).
7. K. Morise, K. Utsumi, T. Usagawa, and M. Ebata. Detection of double-talk and path fluctuation in LMS adaptive filter with variable tap length. Tech. Rep. I.E.I.C.E., Japan, EA93-55 (Oct. 1993).
8. K. Fujii and J. Ohga. Compensation for the double-talk detection delay in echo canceller systems. Trans. I.E.I.C.E., J76-A, 7, pp. 1143-1146 (July 1993).
9. K. Fujii and J. Ohga. Recommended range of the step gain for the 'Delayed-G/X' NLMS algorithm. Trans. (A) I.E.I.C.E., Japan, J77-A, 4, pp. 616-625 (April 1994).
10. S. Tsujii (Ed.). Techniques in Echo Canceller. Jap. Indust. Tech. Center, p. 53 (1986).
11. T. Hoshino, A. Yamaguchi, M. Ohashi, K. Fujii, and J. Ohga. Application of active noise control to OA equipment. Spr. Nat'l Conv., Acoust. Soc. Jap., 1-9-24 (March 1993).
12. I.E.I.C.E., Japan. Hearing and Speech, pp. 234-237 (1974).
13. H. Masuda, K. Fujii, Y. Sakai, and J. Ohga. A study of speaker phone using a small-sized echo canceller. Spr. Nat'l Conv. Acoust. Soc., Japan, 2-6-1 (March 1990).
14. K. Fujii, Y. Sakai, H. Masuda, and J. Ohga. A new expression and stability condition for learning identification algorithm. Trans. (A) I.E.I.C.E., Japan, J73-A, 11, pp. 1769-1775 (Nov. 1990).
15. K. Fujii, Y. Sakai, and J. Ohga. Formulation of estimation error transition and processing cost reduction methods derived from lowpass filter expression. Trans. (A) I.E.I.C.E., Japan, J74-A, 7, pp. 966-973 (July 1991).
16. K. Fujii and J. Ohga. Optimum adjustment of step gain in learning identification algorithm. Trans. (A) I.E.I.C.E., Japan, J75-A, 6, pp. 975-983 (June 1992).